10.5.2 not downloading because of digital signature

I've been trying to update my iPhone 4 for a while now but it keeps coming up with an error. When I try to update iTunes it's now saying it can't because of it's digital signature. It did this on the last update too and I got my younger brother to fix it but now it's doing it for a second time. Most infuriating!

I've been trying to update my iPhone 4 for a while now but it keeps coming up with an error. When I try to update iTunes it's now saying it can't because of it's digital signature. It did this on the last update too and I got my younger brother to fix it but now it's doing it for a second time. Most infuriating!

Similar Messages

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    have removed my pop-up blocker completely and still receive the following error message when attempting to download iTunes:  "The file was blocked because it does not have a valid digital signature that verifies its publisher".....any ideas?

    That suggests that the installer is getting damaged during the download.
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    itunes 10.1 will not download because I can't get old apple application support off my windows XP. Help!

    (1) Download the Windows Installer CleanUp utility installer file (msicuu2.exe) from the following Major Geeks page (use one of the links under the "DOWNLOAD LOCATIONS" thingy on the Major Geeks page):
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    I downloaded an album. One song would not download because the file was corrupted. Tried several more times, but no luck. What should I do next?

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  • I can't run Itunes! After installing Itunes, I receive a message saying that Windows could not verify Apple's digital signature and it closes.

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    When I try to download intunes 10.2, it will not download.

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